hi,
hv a look in the following web site...an excellent site to download many e-books for free.
Free video lectures,Free Animations,Free Online Tests,Free e-book download links,Free Lecture Notes go to medical e-book section...on page 9 u'll find the link to download kaplan step-2 Q book.
for kaplan dvd lectures, u hv to collect it from others or buy it if its available.
in the same web site kaplan lecturre dvds for step-1 are available...u can continue hving a look ..they may upload step-2 also..
Good luck with ur preparation